cecilia vega, abc news, napa. >>> all right. with that, everybody, here's your monday forecast now. showers from portland to seattle. snow in the cascades and northern rockies. foggy this morning from des moines to columbus. also some showers from northern missouri to green bay. and near record highs in the midwest, unseasonably warm for us on the east coast. come on, december. mild start. i love it. >> we'll take it though. >> yes, indeed. >> 60 in new york. 70, kansas city and chicago. also warm in the windy city there. 70s in the southeast. >>> dozens of people in southern new jersey will not be able to return home any time soon after a chemical spill from a derailed train. vinyl chloride was released into the air and into a nearby creek. federal investigators say the crews had reports of signal problems at the bridge weeks before that accident. inspectors were studying the problem the day before the crash. >>> investigators in japan think they may have found the cause of a deadly tunnel collapse. they say a bolt that was holding concrete panels to the tunnel ceiling may have rus